Former Wales and Lions centre Allan Bateman scored a brace of tries in his final game for Hoel y Cyw before he hangs up his boots for good. The 45-year-old, who also played rugby league for Great Britain, helped his side demolish Treherbert 74-0 and consolidate their fifth place in Division Three South East.
Tylorstown sneaked ahead in the race for the title, taking advantage of Penarth's 18-18 draw with Aberdare by hammering Llandaff North 52-12.
St Peters also capitalised, beating Brecon 31-6 to jump up to second, while at the other end Fairwater earned what could turn out to be a vital bonus point as they lost 18-14 at Llanishen.
Ian Davies was in sparkling form again for Division Two East leaders Gilfach Goch. The full-back landed a perfect seven-out-of-seven kicks as the Goch won 33-15 at Llantrisant.
But they may rue the missed bonus point as Mountain Ash closed the gap to nine points with a 35-7 victory over Ynysybwl, thanks in large part to two tries apiece by Gavin Roberts and Thomas Pascoe.
There was also double-delight for Treorchy wing Peter Hutchings, who bagged a brace as the promotion-chasers beat Llantwit Fardre 39-25.
Newport Saracens might yet escape the drop after a nervy 20-19 win at Rhydyfelin, while fellow strugglers Penallta beat Garndiffaith 31-18.
Abergavenny may lead Division Three East by 11 points but they were made to earn victory by Newport HSOB.Tries by wing Will Williams, number 8 James Williams, and centres Stuart and Ian Davies scraped them home, 24-14.
The ever-brilliant Paul Emanuelli was again the hero for second-placed Fleur de Llys, kicking 19 points as they beat Croesyceiliog. Wing Jamie Henthorn crossed twice to seal the 29-24 win for Fleur, who have four games in hand on the leaders.
Dowlais are champions-elect of Division Four South East after they beat Dowlais 28-10 and rivals Cardiff HSOB went down 30-25 to Taff's Well.
Nearly 40 players were involved in the first Wales Under 18 training session of the season. WRU National Performance Manager Gethin Watts is excited at the potential shown by the group and expects the Regional Under 18 Championship to hone their skills even further.